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path: root/src/agent/service-adapter/sa_session.c
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/*
 * oma-ds-agent
 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 *   @SA_Session.c
 *   @version									0.1
 *   @brief										This file is the source file of implementation of functions for Session structure which is used in Service Adapter and processing receive command & status
 */

#include <sync_agent.h>

#include "common/common_util.h"
#include "service-adapter/sa_session.h"
#include "service-adapter/sa_session_internal.h"
#include "service-adapter/sa_elements.h"
#include "service-adapter/sa_elements_internal.h"
#include "service-adapter/sa_command.h"
#include "service-adapter/sa_command_internal.h"
#include "service-adapter/sa_devinf.h"

#ifndef OMADS_AGENT_LOG
#undef LOG_TAG
#define LOG_TAG "OMA_DS_SA"
#endif

static sa_error_type_e _receive_alert_status(session_s * session, status_s * status);
static sa_error_type_e _receive_put_status(session_s * session, status_s * status);
static sa_error_type_e _receive_get_status(session_s * session, status_s * status);
static sa_error_type_e _receive_results_status(session_s * session, status_s * status);
static sa_error_type_e _receive_sync_status(session_s * session, status_s * status);
static sa_error_type_e _receive_changes_status(session_s * session, status_s * status, GList ** return_status);
static sa_error_type_e _receive_map_status(session_s * session, status_s * status);

static sa_error_type_e _receive_alert_command(session_s * session, command_s * command, GList ** return_datastore);
static sa_error_type_e _receive_put_command(session_s * session, command_s * command);
static sa_error_type_e _receive_get_command(session_s * session, command_s * command);
static sa_error_type_e _receive_results_command(session_s * session, command_s * command);
static sa_error_type_e _receive_sync_command(session_s * session, command_s * command, changed_datastore_s ** changed_datastore);
static sa_error_type_e _receive_changes_command(session_s * session, command_s * command, char **luid_str_list, int *index, changed_datastore_s ** changed_datastore);

static void __free_pending_status(command_status_s * command_status);
static sa_error_type_e __add_mapping(session_s * session, char *guid, char *luid, int datastore_id);

static sa_error_type_e _receive_alert_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	if (code >= 400 && code != ERROR_REQUIRE_REFRESH) {
		/*401   unauthorized
		   407  Authentication required
		   405  command not allowed
		   406  optional feature not supported
		   500  command failed
		   412  Incomplete command
		   415 unsupported media type or format
		   404 not found ->it have to be considered
		   TODO error handling it's error~!!!!! */

		if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
			errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
		else if (code == ERROR_COMMAND_NOT_ALLOWED || code == ERROR_UNSUPPORTED_FEATURE || code == ERROR_GENERIC)
			errorType = SA_INTERNAL_SERVER_ERROR;
		else if (code == ERROR_NOT_FOUND) {
			/*do not need to return errorType when code is ERROR_NOT_FOUND */

		}
	}

	/* delete mapping when receive 508 status for alert command */
	if (code == ERROR_REQUIRE_REFRESH) {
		sync_agent_da_return_e ret = SYNC_AGENT_DA_ERRORS;

		sync_agent_da_delete_mapping_query_s query;
		query.option = SYNC_AGENT_DA_DELETE_MAPPING_OPTION_ACCOUNT_ID;
		query.account_id = session->account_id;

		ret = sync_agent_delete_mapping(&query);
		if (ret != SYNC_AGENT_DA_SUCCESS) {
			_DEBUG_ERROR("failed in sync_agent_delete_mapping !!");
		}
	}

	/* TODO off resume flag if status is not 200 */
	if (session->pkg_status == SYNCML_SUSPEND) {
		if (code != 200) {
			errorType = SA_INTERNAL_SUSPEND_FAIL;
		}
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_put_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	if (code >= 400) {
		/*TODO error handling it's error~!!!!!
		   401 unauthorized
		   407 authentication required
		   411 size required
		   413 request entity too large
		   416 requested size too big
		   415 unspported media type or format
		   420 device full
		   500 command failed */
		if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
			errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
		else if (code == ERROR_GENERIC)
			errorType = SA_INTERNAL_SERVER_ERROR;
		else
			errorType = SA_INTERNAL_ERROR;
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_get_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	if (code >= 400) {
		/*TODO error handling it's error~!!!!!
		   401 unauthorized
		   407 authentication required
		   404 not found
		   413 request entity too large
		   415 unspported media type or format
		   500 command failed */
		if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
			errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
		else if (code == ERROR_NOT_FOUND)
			errorType = SA_INTERNAL_NOT_FOUND;
		else if (code == ERROR_GENERIC)
			errorType = SA_INTERNAL_SERVER_ERROR;
		else
			errorType = SA_INTERNAL_ERROR;
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_results_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	if (code >= 400) {
		/*TODO error handling it's error~!!!!!
		   401 unauthorized
		   407 authentication required
		   404 not found
		   413 request entity too large
		   415 unspported media type or format
		   500 command failed */
		if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
			errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
		else if (code == ERROR_NOT_FOUND)
			errorType = SA_INTERNAL_NOT_FOUND;
		else if (code == ERROR_GENERIC)
			errorType = SA_INTERNAL_SERVER_ERROR;
		else
			errorType = SA_INTERNAL_ERROR;
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_sync_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	if (code >= 400 && code != ERROR_REQUIRE_REFRESH) {
		/*TODO error handling it's error~!!!!!
		   401 unauthorized
		   407 authentication required
		   403 forbidden
		   404 not found
		   405 command not allowed
		   508 refresh required
		   500 command failed */
		if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
			errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
		else if (code == ERROR_NOT_FOUND)
			errorType = SA_INTERNAL_NOT_FOUND;
		else if (code == ERROR_GENERIC)
			errorType = SA_INTERNAL_SERVER_ERROR;
		else
			errorType = SA_INTERNAL_ERROR;
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_changes_status(session_s * session, status_s * status, GList ** return_status)
{
	_INNER_FUNC_ENTER;

	_DEBUG_TRACE("cmdID = %d", status->cmd_id);
	_DEBUG_TRACE("msgRef = %d", status->msg_ref);
	_DEBUG_TRACE("cmdRef = %d", status->cmd_ref);
	_DEBUG_TRACE("type = %d", status->type);
	_DEBUG_TRACE("data = %s", status->data);

	unsigned int code = get_status_code(status);
	_DEBUG_TRACE("code = %d", code);

	sa_error_type_e errorType = SA_INTERNAL_OK;

	if (session->large_obj != NULL) {
		/*LargeObj status it does not need to pass engine */
		command_status_s *largeObj = session->large_obj;
		if (largeObj->cmd_id == status->cmd_ref && largeObj->msg_id == status->msg_ref) {

			if (code == CHUNK_ACCEPTED) {
				__free_pending_status(largeObj);
				session->large_obj = NULL;
				return errorType;
			} else if (code == ERROR_REQUESTED_SIZE_TOO_BIG) {
				/*TODO error handling for large obj
				   can not send this item */
			} else if (code == ERROR_SIZE_REQUIRED) {

			}
		}
	}

	/*pass to engine */
	if (status->source_ref != NULL) {
		applied_status_s *appliedStatus = create_applied_status(get_location_loc_uri(status->source_ref),
									convert_change_type_command_type(status->type), code);
		if (appliedStatus == NULL) {
			_DEBUG_ERROR("failed in create_appliedstatus");
			return SA_INTERNAL_NO_MEMORY;
		}
		*return_status = g_list_append(*return_status, appliedStatus);
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_map_status(session_s * session, status_s * status)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	sync_agent_da_return_e da_err;

	GList *iter = NULL;
	command_s *pCommand = NULL;
	unsigned int code = 0;
	for (iter = session->map_command; iter != NULL; iter = g_list_next(iter)) {
		pCommand = iter->data;

		if (pCommand->msg_id == status->msg_ref && pCommand->cmd_id == status->cmd_ref) {
			code = get_status_code(status);
			_DEBUG_TRACE("code = %d", code);

			if (code == 200) {
				GList *itemIter = NULL;
				item_s *item = NULL;
				for (itemIter = pCommand->private.map.items; itemIter != NULL; itemIter = g_list_next(itemIter)) {
					item = itemIter->data;
					_DEBUG_TRACE(" LUID  = %s has been removed\n", get_location_loc_uri(item->source));

					sync_agent_da_delete_mapping_query_s query;
					query.option = SYNC_AGENT_DA_DELETE_MAPPING_OPTION_LUID;
					query.account_id = session->account_id;
					query.luid = get_location_loc_uri(item->source);

					da_err = sync_agent_delete_mapping(&query);
					if (da_err != SYNC_AGENT_DA_SUCCESS) {
						errorType = SA_INTERNAL_DA_ERROR;
						_DEBUG_ERROR("failed in sync_agent_delete_mapping !!");
						return errorType;
					}
				}
				session->map_command = g_list_remove(session->map_command, pCommand);
				free_command(pCommand);
				break;
			} else if (code >= 400) {
				/*401 unauthorized
				   407 authentication required
				   420 device full
				   510 data store failure
				   500 command failed */

				if (code >= 500) {
					/*map command has failed so delete failed map command from session->mapCpmmand */
					GList *itemIter = NULL;
					item_s *item = NULL;
					for (itemIter = pCommand->private.map.items; itemIter != NULL; itemIter = g_list_next(itemIter)) {
						item = itemIter->data;
						_DEBUG_TRACE("LUID  = %s has been removed\n", get_location_loc_uri(item->source));

						sync_agent_da_delete_mapping_query_s query;
						query.option = SYNC_AGENT_DA_DELETE_MAPPING_OPTION_LUID;
						query.account_id = session->account_id;
						query.luid = get_location_loc_uri(item->source);

						da_err = sync_agent_delete_mapping(&query);
						if (da_err != SYNC_AGENT_DA_SUCCESS) {
							errorType = SA_INTERNAL_DA_ERROR;
							_DEBUG_ERROR("failed in sync_agent_delete_mapping !!");
							return errorType;
						}
					}
					session->map_command = g_list_remove(session->map_command, pCommand);
					free_command(pCommand);
					break;
				}
				if (code == ERROR_AUTH_REJECTED || code == ERROR_AUTH_REQUIRED)
					errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
				else if (code == ERROR_NOT_FOUND)
					errorType = SA_INTERNAL_NOT_FOUND;
				/* for prevent */
//                              else if (code == ERROR_GENERIC)
//                                      errorType = SA_INTERNAL_SERVER_ERROR;
				else
					errorType = SA_INTERNAL_ERROR;
			}
		}
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_alert_command(session_s * session, command_s * command, GList ** return_datastore)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	status_s *temp = NULL;

	if (command->source == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	if (command->target == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}
	/*401   unauthorized
	   407  Authentication required
	   405  command not allowed
	   406  optional feature not supported
	   500  command failed
	   412  Incomplete command
	   415 unsupported media type or format */

//      if (strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CONTACT]->source)  == 0 ||
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CALENDAR]->source)  == 0 ||
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_MEMO]->source)  == 0 ||
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CALLLOG]->source)  == 0) {
//
//              DatastoreInfo *datastore = create_datastoreinfo(get_location_locuri(command->target), get_location_locuri(command->source));
//              if (datastore == NULL) {
//                      errorType = SA_INTERNAL_NO_MEMORY;
//                      goto error;
//              }
//
//              if (command->private.alert.anchor != NULL){
//                      set_datastoreinfo_lastanchor(datastore, command->private.alert.anchor->lastAnchor);
//                      set_datastoreinfo_nextanchor(datastore, command->private.alert.anchor->nextAnchor);
//              }
//
//              set_datastoreInfo_synctype(datastore, command->private.alert.type);
//              set_datastoreinfo_maxobjsize(datastore, command->private.alert.maxObjSize);
//
//              *returnDatastore = g_list_append(*returnDatastore, datastore);
//
//              errorType = create_new_status(session, NO_ERROR, command,  COMMAND_TYPE_ALERT , &temp);
//              if (errorType != SA_INTERNAL_OK)
//                      goto error;
//
//              temp->item = create_item();
//              if (temp->item == NULL) {
//                      errorType = SA_INTERNAL_NO_MEMORY;
//                      goto error;
//              }
//              set_item_anchor(temp->item,  command->private.alert.anchor);
//              session->status = g_list_append(session->status, temp);
//
//      } else if (strcmp(get_location_locuri(command->target), get_location_locuri(session->source)) == 0 &&
//                      strcmp(get_location_locuri(command->source), get_location_locuri(session->target)) == 0) {
//
//              errorType = create_new_status(session, NO_ERROR, command,  COMMAND_TYPE_ALERT , &temp);
//              if (errorType != SA_INTERNAL_OK)
//                      goto error;
//
//              session->status = g_list_append(session->status, temp);
//      } else
//              goto not_found_error;

	int content_type;
	bool is_data_store = false;
	for (content_type = 0; content_type < TYPE_SERVICE_COUNT; content_type++) {
		if (datastoreinfo_per_content_type[content_type] != NULL)
			if (strcmp(get_location_loc_uri(command->target), datastoreinfo_per_content_type[content_type]->source) == 0) {
				is_data_store = true;
				break;
			}
	}

	if (is_data_store) {
		datastore_info_s *datastore = create_datastore_info(get_location_loc_uri(command->target), get_location_loc_uri(command->source));
		if (datastore == NULL) {
			errorType = SA_INTERNAL_NO_MEMORY;
			goto error;
		}

		if (command->private.alert.anchor != NULL) {
			set_datastore_info_last_anchor(datastore, command->private.alert.anchor->last_anchor);
			set_datastore_info_next_anchor(datastore, command->private.alert.anchor->next_anchor);
		}

		set_datastore_info_sync_type(datastore, command->private.alert.type);
		set_datastore_info_max_obj_size(datastore, command->private.alert.max_obj_size);

		*return_datastore = g_list_append(*return_datastore, datastore);

		errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_ALERT, &temp);
		if (errorType != SA_INTERNAL_OK)
			goto error;

		temp->item = create_item();
		if (temp->item == NULL) {
			errorType = SA_INTERNAL_NO_MEMORY;
			goto error;
		}
		set_item_anchor(temp->item, command->private.alert.anchor);
		session->status = g_list_append(session->status, temp);

	} else if (strcmp(get_location_loc_uri(command->target), get_location_loc_uri(session->source)) == 0 && strcmp(get_location_loc_uri(command->source), get_location_loc_uri(session->target)) == 0) {

		errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_ALERT, &temp);
		if (errorType != SA_INTERNAL_OK)
			goto error;

		session->status = g_list_append(session->status, temp);
	} else
		goto not_found_error;

	_INNER_FUNC_ENTER;
	return errorType;

 not_found_error:
	errorType = create_new_status(session, ERROR_NOT_FOUND, command, COMMAND_TYPE_ALERT, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return SA_INTERNAL_NOT_FOUND;

 error:

	if (temp != NULL)
		free(temp);

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_put_command(session_s * session, command_s * command)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	/*401 unauthorized
	   407 authentication required
	   411 size required
	   413 request entity too large
	   416 requested size too big
	   415 unspported media type or format
	   420 device full
	   500 command failed */

	status_s *temp = NULL;

	if (strcmp(command->private.access.type, ELEMENT_DEVINF_XML) == 0 || strcmp(command->private.access.type, ELEMENT_DEVINF_WBXML) == 0) {
		/*if it is devinf */
		if (command->private.access.item != NULL) {
			session->remote_devinf = command->private.access.item->private.devinf;
		}
		errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_PUT, &temp);
		if (errorType != SA_INTERNAL_OK)
			goto error;
	} else
		goto not_found_error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return errorType;

 not_found_error:
	errorType = create_new_status(session, ERROR_NOT_FOUND, command, COMMAND_TYPE_PUT, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return SA_INTERNAL_NOT_FOUND;

 error:

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_get_command(session_s * session, command_s * command)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	status_s *temp = NULL;
	command_s *pCommand = NULL;
	location_s *pLocation = NULL;

	if (strcmp(command->private.access.type, ELEMENT_DEVINF_XML) == 0 || strcmp(command->private.access.type, ELEMENT_DEVINF_WBXML) == 0) {

		errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_GET, &temp);
		if (errorType != SA_INTERNAL_OK)
			goto error;

		session->status = g_list_append(session->status, temp);

		char *sourceDevInf = NULL;
		if (session->protocol_version == VERSION_10)
			sourceDevInf = ELEMENT_DEVINF_10;
		else if (session->protocol_version == VERSION_11)
			sourceDevInf = ELEMENT_DEVINF_11;
		else if (session->protocol_version == VERSION_12)
			sourceDevInf = ELEMENT_DEVINF_12;

		errorType = create_location(sourceDevInf, NULL, &pLocation);
		if (errorType != SA_INTERNAL_OK)
			goto error;

		errorType = create_results_command(session, pLocation, ELEMENT_DEVINF_XML, session->devinf, &pCommand);
		if (errorType != SA_INTERNAL_OK)
			goto error;

		set_results_command_msg_ref(pCommand, command->msg_id);
		set_results_command_cmd_ref(pCommand, command->cmd_id);
		set_results_command_target_ref(pCommand, command->private.access.item->target);

		session->results_command = g_list_append(session->results_command, pCommand);
	} else
		goto not_found_error;

	_INNER_FUNC_ENTER;
	return errorType;

 not_found_error:
	errorType = create_new_status(session, ERROR_NOT_FOUND, command, COMMAND_TYPE_GET, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return SA_INTERNAL_NOT_FOUND;

 error:

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_results_command(session_s * session, command_s * command)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	status_s *temp = NULL;

	if (strcmp(command->private.results.type, ELEMENT_DEVINF_XML) == 0 || strcmp(command->private.results.type, ELEMENT_DEVINF_WBXML) == 0) {
		/*if it is devinf */
		if (command->private.results.item != NULL) {
			session->remote_devinf = command->private.results.item->private.devinf;

			errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_RESULTS, &temp);
			if (errorType != SA_INTERNAL_OK)
				goto error;

			session->status = g_list_append(session->status, temp);
		}
	} else
		goto not_found_error;

	_INNER_FUNC_ENTER;
	return errorType;

 not_found_error:
	errorType = create_new_status(session, ERROR_NOT_FOUND, command, COMMAND_TYPE_RESULTS, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return SA_INTERNAL_NOT_FOUND;

 error:

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_sync_command(session_s * session, command_s * command, changed_datastore_s ** changed_datastore)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	status_s *temp = NULL;

	retvm_if(command == NULL, SA_INTERNAL_NOT_DEFINED, "command is NULL");

	retvm_if(command->source == NULL, SA_INTERNAL_NOT_DEFINED, "command->source is NULL");
	retvm_if(command->target == NULL, SA_INTERNAL_NOT_DEFINED, "command->target is NULL");

	/*TODO
	   need to check that if target has not exist in client
	   it's a error(return status)
	   and return Datastore index

	   401 unauthorized
	   407 authentication required
	   403 forbidden
	   404 not founc
	   405 command not allowed
	   508 refresh required
	   500 command failed

	   TODO compare with alert command(?) */

//      if (strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CONTACT]->source)  != 0 &&
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CALENDAR]->source)  != 0 &&
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_MEMO]->source)  != 0 &&
//                      strcmp(get_location_locuri(command->target), datastoreinfo_per_content_type[TYPE_CALLLOG]->source)  != 0)
//              goto not_found_error;
//
//      Status *temp = NULL;
//      errorType = create_new_status(session, NO_ERROR, command,  COMMAND_TYPE_SYNC_START , &temp);
//      if (errorType != SA_INTERNAL_OK)
//              goto error;
//
//      session->status = g_list_append(session->status, temp);
//
//      _DEBUG_TRACE("hasNumChanged = %d",command->private.sync.hasNumChanged);
//      _DEBUG_TRACE("numberOfChanges = %d",command->private.sync.numChanged);
//
//      /*for return to engine*/
//      ChangedDatastore *pChangedDatastore = create_changeddatastore(get_location_locuri(command->source),
//                                                                                                                                      get_location_locuri(command->target), command->private.sync.hasNumChanged,
//                                                                                                                                      command->private.sync.hasNumChanged ? command->private.sync.numChanged : 0);
//      if (pChangedDatastore == NULL) {
//              errorType = SA_INTERNAL_NO_MEMORY;
//              goto error;
//      } else
//              *changedDatastore = pChangedDatastore;

	int content_type;
	bool exist = false;
	for (content_type = 0; content_type < TYPE_SERVICE_COUNT; content_type++) {
		if (datastoreinfo_per_content_type[content_type] != NULL)
			if (strcmp(get_location_loc_uri(command->target), datastoreinfo_per_content_type[content_type]->source) == 0) {
				exist = true;
				break;
			}
	}

	if (!exist)
		goto not_found_error;

	errorType = create_new_status(session, NO_ERROR, command, COMMAND_TYPE_SYNC_START, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_DEBUG_TRACE("hasNumChanged = %d", command->private.sync.has_num_changed);
	_DEBUG_TRACE("numberOfChanges = %d", command->private.sync.num_changed);

	/*for return to engine */
	changed_datastore_s *pChangedDatastore = create_changed_datastore(get_location_loc_uri(command->source),
									  get_location_loc_uri(command->target), command->private.sync.has_num_changed,
									  command->private.sync.has_num_changed ? command->private.sync.num_changed : 0);
	if (pChangedDatastore == NULL) {
		errorType = SA_INTERNAL_NO_MEMORY;
		goto error;
	} else
		*changed_datastore = pChangedDatastore;

	_INNER_FUNC_ENTER;
	return errorType;

 not_found_error:
	errorType = create_new_status(session, ERROR_NOT_FOUND, command, COMMAND_TYPE_SYNC_START, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

	_INNER_FUNC_ENTER;
	return SA_INTERNAL_NOT_FOUND;

 error:

	_INNER_FUNC_ENTER;
	return errorType;
}

static sa_error_type_e _receive_changes_command(session_s * session, command_s * command, char **luid_str_list, int *index, changed_datastore_s ** changed_datastore)
{
	_INNER_FUNC_ENTER;
	_DEBUG_TRACE("start command type :  %d\n", command->private.change.type);

	sa_error_type_e errorType = SA_INTERNAL_OK;

	GList *iter = NULL;
	changed_item_s *changed = NULL;
	char *luid;
	change_type_e changeType = command->private.change.type;
	for (iter = command->private.change.items; iter != NULL; iter = g_list_next(iter)) {
		item_s *changedItem = (iter->data);

		if (changedItem->more_data) {
			if (session->large_obj_cmd != NULL) {
				/*if there is a chunked item before...
				   it's not firest chunked item.... data have to be merged(check source location)
				   there will be another chunked item */

				command_s *pLargeObjcmd = session->large_obj_cmd;
				if (pLargeObjcmd->private.change.items != NULL) {
					/*moreData item must be last item in item list */
					GList *largeObjItems = session->large_obj_cmd->private.change.items;
					GList *largeObjLastItem = g_list_nth(largeObjItems, g_list_length(largeObjItems) - 1);
					item_s *item = largeObjLastItem->data;
					alert_type_e alertType = ALERT_UNKNOWN;
					if (strcmp(get_location_loc_uri(item->source), get_location_loc_uri(changedItem->source)) == 0) {
						/*two item's source are equal
						   append incomming string */
						if (item->private.data != NULL) {
							char *tmp = g_strdup_printf("%s%s", item->private.data, changedItem->private.data);
							free(item->private.data);
							item->private.data = tmp;
						} else {
							item->private.data = strdup(changedItem->private.data);
						}
						status_s *temp = NULL;
						errorType = create_new_status_location(session, CHUNK_ACCEPTED, command, changedItem->source, changedItem->target, convert_command_type_change_type(changeType), &temp);
						if (errorType != SA_INTERNAL_OK) {
							_DEBUG_ERROR("failed in create_new_status_location");
							goto error;
						}
						session->status = g_list_append(session->status, temp);
						alertType = ALERT_NEXT_MESSAGE;
					} else {
						/* it's a new data object or command but this command also have a moreData */
						alertType = ALERT_NO_END_OF_DATA;
					}
					/* create alert command */
					command_s *pAlertCommand = NULL;
					errorType = create_alert_command(session, alertType, dup_location(session->source), dup_location(session->target), NULL, NULL, NULL, &pAlertCommand);
					if (errorType != SA_INTERNAL_OK) {
						_DEBUG_ERROR("failed in create_alert_command");
						goto error;
					}
					session->alert_command = g_list_append(session->alert_command, pAlertCommand);
				}
			} else {
				/*first chunked item
				   just buffered it. does not generate LUID, and does not pass to engine */
				oma_status_type_e statusErrorType = ERROR_UNKNOWN;
				if (changedItem->size == 0) {
					/*size required */
					statusErrorType = ERROR_SIZE_REQUIRED;
				} else {
					/* size is specified */
					if (changedItem->size > session->source_max_obj_size) {
						/*but it is bigger than client maxObjSize */
						statusErrorType = ERROR_REQUESTED_SIZE_TOO_BIG;
					} else {
						/*chunked item accepted */
						session->large_obj_cmd = command;
						increase_command_ref_count(command);

						statusErrorType = CHUNK_ACCEPTED;

						/* create alert command */
						command_s *pAlertCommand = NULL;
						errorType = create_alert_command(session, ALERT_NEXT_MESSAGE, dup_location(session->source), dup_location(session->target), NULL, NULL, NULL, &pAlertCommand);
						if (errorType != SA_INTERNAL_OK) {
							_DEBUG_ERROR("failed in create_alert_command");
							goto error;
						}
						session->alert_command = g_list_append(session->alert_command, pAlertCommand);
					}

					status_s *temp = NULL;
					errorType = create_new_status_location(session, statusErrorType, command, changedItem->source, changedItem->target, convert_command_type_change_type(changeType), &temp);
					if (errorType != SA_INTERNAL_OK) {
						_DEBUG_ERROR("failed in create_new_status_location");
						goto error;
					}
					session->status = g_list_append(session->status, temp);
				}
			}
		} else {
			if (session->large_obj_cmd != NULL) {

				/*if there is a chunked item before...
				   it's not firest chunked item.... data have to be merged(check source location)
				   there will be no more chunked item. this command have to be pass to engine */

				command_s *pLargeObjcmd = session->large_obj_cmd;
				if (pLargeObjcmd->private.change.items != NULL) {
					/*moreData item must be last item in item list */
					GList *largeObjItems = session->large_obj_cmd->private.change.items;
					GList *largeObjLastItem = g_list_nth(largeObjItems, g_list_length(largeObjItems) - 1);
					item_s *item = largeObjLastItem->data;

					if (strcmp(get_location_loc_uri(item->source), get_location_loc_uri(changedItem->source)) == 0) {
						/* two item's source are equal
						   append incomming string */
						if (item->private.data != NULL) {
							char *tmp = g_strdup_printf("%s%s", item->private.data, changedItem->private.data);
							free(item->private.data);
							item->private.data = tmp;
						} else {
							item->private.data = strdup(changedItem->private.data);

							if (item->private.data == NULL) {
								_DEBUG_ERROR("item->private.data is null !!");
								goto error;
							}
						}

						if (item->size == strlen(item->private.data)) {
							/*delete pointing from pLargeObjCmd */
							largeObjLastItem->data = NULL;
							_DEBUG_TRACE("delete pointing from pLargeObjCmd");
							/*free Item from incomming Cmd */
							free_item(changedItem);
							_DEBUG_TRACE("free Item from incomming Cmd");
							/*pointing to Merged item in incomming Cmd */
							iter->data = item;
							changedItem = item;
							_DEBUG_TRACE("pointing to Merged item in incomming Cmd");

							free_command(session->large_obj_cmd);
							session->large_obj_cmd = NULL;
							command = NULL;
						} else {
							status_s *temp = NULL;
							errorType = create_new_status_location(session, ERROR_SIZE_MISMATCH, command, changedItem->source, changedItem->target, convert_command_type_change_type(changeType), &temp);
							if (errorType != SA_INTERNAL_OK) {
								_DEBUG_ERROR("failed in create_new_status_location");
								goto error;
							}
							session->status = g_list_append(session->status, temp);
						}
					} else {
						/* it's a new data object or command send 223
						   create alert command */
						command_s *pAlertCommand = NULL;
						errorType = create_alert_command(session, ALERT_NO_END_OF_DATA, dup_location(session->source), dup_location(session->target), NULL, NULL, NULL, &pAlertCommand);
						if (errorType != SA_INTERNAL_OK) {
							_DEBUG_ERROR("failed in create_alert_command");
							goto error;
						}
						session->alert_command = g_list_append(session->alert_command, pAlertCommand);
					}
				}
			}

			if (changeType == CHANGE_ADD) {
				int datastore_id = 0;
				if (strcmp(changedItem->content_type, ELEMENT_TEXT_VCARD) == 0 || strcmp(changedItem->content_type, ELEMENT_TEXT_VCARD_30) == 0)
					datastore_id = TYPE_CONTACT;
				else if (strcmp(changedItem->content_type, ELEMENT_TEXT_VCAL) == 0)
					datastore_id = TYPE_CALENDAR;
				else if (strcmp(changedItem->content_type, ELEMENT_TEXT_PLAIN) == 0)
					datastore_id = TYPE_MEMO;

				luid = luid_str_list[(*index)++];
				if (luid == NULL) {
					_DEBUG_ERROR("luid is null");
					errorType = SA_INTERNAL_ERROR;
					goto error;
				}

				_DEBUG_TRACE("index = %d", *index);
				_DEBUG_TRACE("luid = %s", luid);

				errorType = __add_mapping(session, get_location_loc_uri(changedItem->source), luid, datastore_id);
				if (errorType != SA_INTERNAL_OK) {
					_DEBUG_ERROR("failed in __add_mapping");
					goto error;
				}
			} else {
				luid = get_location_loc_uri(changedItem->target);
				if (luid == NULL) {
					_DEBUG_ERROR("luid is null");
					errorType = SA_INTERNAL_ERROR;
					goto error;
				}
			}

			changed = create_changed_item(changeType, luid);
			if (changed == NULL) {
				_DEBUG_ERROR("changed is null");
				errorType = SA_INTERNAL_NO_MEMORY;
				goto error;
			}

			if (changeType != CHANGE_DELETE) {
				set_changed_item_content_type(changed, changedItem->content_type);
				set_changed_item_data(changed, changedItem->private.data);
			}

			status_s *temp = NULL;

			if (command != NULL)
				errorType = create_new_status_location(session, ERROR_UNKNOWN, command, changedItem->source, changedItem->target, convert_command_type_change_type(changeType), &temp);

			if (errorType != SA_INTERNAL_OK) {
				_DEBUG_ERROR("failed in create_new_status_location");
				goto error;
			}
			session->temp_status = g_list_append(session->temp_status, temp);

			(*changed_datastore)->change_item = g_list_append((*changed_datastore)->change_item, changed);
			changed = NULL;
		}
	}

 error:

	if (changed) {
		free_changed_item(changed);
		changed = NULL;
	}

	_INNER_FUNC_ENTER;
	return errorType;
}

static void __free_pending_status(command_status_s * command_status)
{
	_INNER_FUNC_ENTER;

	retm_if(command_status == NULL, "pendingStatus is NULL");

	free(command_status);
	command_status = NULL;

	_INNER_FUNC_EXIT;
	return;
}

static sa_error_type_e __add_mapping(session_s * session, char *guid, char *luid, int datastore_id)
{
	_INNER_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	sync_agent_da_return_e da_err = SYNC_AGENT_DA_ERRORS;

	sync_agent_da_mapping_s *mapping = NULL;
	da_err = sync_agent_create_mapping(&mapping);
	if (da_err != SYNC_AGENT_DA_SUCCESS) {
		_DEBUG_ERROR("failed in sync_agent_create_mapping !!");
		goto error;
	}

	mapping->account_id = session->account_id;
	mapping->data_store_id = datastore_id;
	mapping->luid = strdup(luid);
	mapping->guid = strdup(guid);
	mapping->access_name = strdup("SA");

	_DEBUG_VERBOSE("account_id = %d", mapping->account_id);
	_DEBUG_VERBOSE("data_store_id = %d", mapping->data_store_id);
	_DEBUG_VERBOSE("luid = %s", mapping->luid);
	_DEBUG_VERBOSE("guid = %s", mapping->guid);
	_DEBUG_VERBOSE("access_name = %s", mapping->access_name);

	da_err = sync_agent_add_mapping(mapping);
	if (da_err != SYNC_AGENT_DA_SUCCESS) {
		_DEBUG_ERROR("failed in sync_agent_add_mapping = %d", da_err);
		sync_agent_free_mapping(mapping);
		errorType = SA_INTERNAL_DA_ERROR;
		goto error;
	}

	sync_agent_free_mapping(mapping);

 error:

	_INNER_FUNC_EXIT;
	return errorType;
}

sa_error_type_e create_session(protocol_version_e protocol_version, protocol_type_e protocol_type, int account_id, char *sess_id, location_s * source_location, location_s * target_location, session_s ** session)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	*session = (session_s *) calloc(1, sizeof(session_s));
	if (*session == NULL) {
		errorType = SA_INTERNAL_NO_MEMORY;
		goto error;
	}

	if (sess_id != NULL)
		(*session)->session_id = strdup(sess_id);

	if (source_location != NULL)
		(*session)->source = source_location;

	if (target_location != NULL)
		(*session)->target = target_location;

	(*session)->protocol_type = protocol_type;
	(*session)->protocol_version = protocol_version;
	(*session)->account_id = account_id;

	(*session)->msg_id = 0;
	(*session)->cmd_id = 1;

	(*session)->source_max_msg_size = OMA_DS_HTTP_DEFAULT_CLIENT_MAX_MSG_SIZE;
	(*session)->source_max_obj_size = OMA_DS_HTTP_DEFAULT_CLIENT_MAX_OBJ_SIZE;

	(*session)->target_max_msg_size = 0;
	(*session)->target_max_obj_size = 0;

	(*session)->naci_session_id = 0;
	(*session)->has_opend = 0;

 error:

	_EXTERN_FUNC_EXIT;
	return errorType;
}

void free_session(session_s * session)
{
	_EXTERN_FUNC_ENTER;

	retm_if(session == NULL, "session is NULL");

	if (session->session_id != NULL) {
		free(session->session_id);
		session->session_id = NULL;
	}

	if (session->jsession_id != NULL) {
		free(session->jsession_id);
		session->jsession_id = NULL;
	}

	_DEBUG_INFO("session->status");
	free_statuses(session->status);
	session->status = NULL;

	_DEBUG_INFO("session->tempStatus");
	free_statuses(session->temp_status);
	session->temp_status = NULL;

	_DEBUG_INFO("session->suspendStatus");
	free_statuses(session->suspend_status);
	session->suspend_status = NULL;

	if (session->target != NULL) {
		free_location(session->target);
		session->target = NULL;
	}

	if (session->source != NULL) {
		free_location(session->source);
		session->source = NULL;
	}

	if (session->org_target != NULL) {
		free_location(session->org_target);
		session->org_target = NULL;
	}

	if (session->cred != NULL) {
		free_cred(session->cred);
		session->cred = NULL;
	}

	if (session->chal != NULL) {
		free_chal(session->chal);
		session->chal = NULL;
	}

	if (session->devinf != NULL) {
		free_devinf(session->devinf);
		session->devinf = NULL;
	}

	if (session->remote_devinf != NULL) {
		free_devinf(session->remote_devinf);
		session->remote_devinf = NULL;
	}

	if (session->large_obj_cmd != NULL) {
		free_command(session->large_obj_cmd);
		session->large_obj_cmd = NULL;
	}

	free_commands(session->map_command);
	session->map_command = NULL;

	free_commands(session->alert_command);
	session->alert_command = NULL;

	free_commands(session->results_command);
	session->results_command = NULL;

	if (session->large_obj != NULL)
		free(session->large_obj);

	if (session != NULL)
		free(session);

	_EXTERN_FUNC_EXIT;
	return;
}

sa_error_type_e create_command_status(unsigned int msg_id, unsigned int cmd_id, command_status_s ** command_status)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	*command_status = (command_status_s *) calloc(1, sizeof(command_status_s));
	if (*command_status == NULL) {
		errorType = SA_INTERNAL_NO_MEMORY;
		goto error;
	}

	(*command_status)->msg_id = msg_id;
	(*command_status)->cmd_id = cmd_id;

 error:

	_EXTERN_FUNC_EXIT;
	return errorType;
}

void set_session_cred(session_s * session, cred_s * cred)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	if (session == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	if (cred == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	session->cred = cred;

 error:

	_EXTERN_FUNC_EXIT;
	return;

}

void set_session_devinf(session_s * session, devinf_s * devinf)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	if (session == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	if (devinf == NULL) {
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	session->devinf = devinf;

 error:

	_EXTERN_FUNC_EXIT;
	return;

}

sa_error_type_e receive_header(session_s * session, sync_hdr_s * header)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	location_s *pLocation = NULL;

	if (session == NULL) {
		_DEBUG_ERROR("session is NULL");
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}

	if (header == NULL) {
		_DEBUG_ERROR("header is NULL");
		errorType = SA_INTERNAL_NOT_DEFINED;
		goto error;
	}
	if (session->session_id && header->session_id) {
		if (strcmp(session->session_id, header->session_id) != 0) {
			errorType = SA_INTERNAL_SERVER_ERROR;
			goto error;
		}
	}

	session->last_recieved_msg_id = header->message_id;

	if (0 < header->max_msg_size)
		session->target_max_msg_size = header->max_msg_size;
	else
		session->target_max_msg_size = OMA_DS_HTTP_DEFAULT_SERVER_MAX_MSG_SIZE;

	if (0 < header->max_obj_size)
		session->target_max_obj_size = header->max_obj_size;

	if (header->response_uri != NULL) {
		if (session->org_target == NULL) {
			session->org_target = session->target;
			session->target = NULL;
		}

		if (session->target != NULL)
			free_location(session->target);

		errorType = create_location(header->response_uri, get_location_loc_name(session->org_target), &pLocation);
		if (errorType != SA_INTERNAL_OK)
			goto error;
		session->target = pLocation;

		if (session->target == NULL) {
			errorType = SA_INTERNAL_NO_MEMORY;
			goto error;
		}
	}

	status_s *temp = NULL;
	oma_status_type_e statusData = ERROR_UNKNOWN;
	if (header->cred != NULL) {
		errorType = compare_cred(header->cred, session->cred);
		if (errorType == SA_INTERNAL_OK)
			statusData = AUTH_ACCEPTED;
		else if (errorType == SA_INTERNAL_AUTHENTICATION_ERROR) {
			statusData = ERROR_AUTH_REJECTED;
		} else
			goto error;
	} else {
		statusData = NO_ERROR;
	}

	errorType = create_status(statusData, session->cmd_id++, session->last_recieved_msg_id, 0, header->source, header->target, COMMAND_TYPE_HEADER, &temp);
	if (errorType != SA_INTERNAL_OK)
		goto error;

	session->status = g_list_append(session->status, temp);

 error:

	_EXTERN_FUNC_EXIT;
	return errorType;
}

sa_error_type_e receive_statuses(session_s * session, GList * receive_status, GList ** return_status)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;

	GList *statusItem = receive_status;
	status_s *status = NULL;
	while (statusItem) {
		status = statusItem->data;

		if (status->cmd_ref == 0) {
			/*status of SyncHdr */
			assert(status->type == COMMAND_TYPE_HEADER);
			assert(status->data);
			oma_status_type_e statusType = atoi(status->data);

			/* TODO off resume flag if status is 400(bad request) */
			if (session->pkg_status == SYNCML_SUSPEND) {
				if (statusType == ERROR_BAD_REQUEST) {
					errorType = SA_INTERNAL_SUSPEND_FAIL;
					goto error;
				}
			}

			if (statusType == AUTH_ACCEPTED) {
				/*212
				   when auth type is AUTH_TYPE_BASIC does not need to send cred in syncHdr in same session
				   when auth type is AUTH_TYPE_MD5 the next nonce in Chal MUST used for the digest when the next sync session is started. */
				if (session->cred->type == AUTH_TYPE_MD5) {
					chal_s *chal = status->chal;
					if (chal != NULL) {
						/*chal in status have to be stored in config_tbl because it have to be used next sync session */
						_DEBUG_INFO("format type :%d", chal->format);

						char *value;
						sync_agent_da_config_s config;
						config.config_id = session->account_id;

						if (chal->format == FORMAT_TYPE_BASE64)
							value = chal->nonce_b64;
						else
							value = g_base64_encode((unsigned char *)chal->nonce_plain, chal->nonce_length);

						bool result = set_config_str(session->account_id, DEFINE_CONFIG_KEY_PROFILE_NEXT_NONCE, value, "string", "SA");
						if (result == false) {
							errorType = SA_INTERNAL_ERROR;
							_DEBUG_ERROR("failed in set_Config");
							goto error;
						}
					}
				} else if (session->cred->type == AUTH_TYPE_BASIC) {
					/*do not need cred anymore
					   but we just send it again */
				}
			} else if (statusType == NO_ERROR) {
				/*200
				   when auth type is AUTH_TYPE_BASIC sam credentials must be sent within the next request
				   when auth type is AUTH_TYPE_MD5  The next nonce in Chal MUST used when the next request is sent */
				if (session->cred->type == AUTH_TYPE_MD5) {
					/*if auth type is AUTH_TYPE_MD5 */
					if (status->chal != NULL) {
						/*if there is a chal in status duplicate to session
						   chal have to used when next request is sent */
						if (session->chal != NULL) {
							free_chal(session->chal);
							session->chal = NULL;
						}
						session->chal = status->chal;
						status->chal = NULL;
					}
				}
			} else if (statusType == ERROR_AUTH_REQUIRED || statusType == ERROR_AUTH_REJECTED) {
				if (status->chal != NULL) {
					if (session->chal != NULL) {
						free_chal(session->chal);
						session->chal = NULL;
					}
					session->chal = status->chal;
					status->chal = NULL;
				}
				errorType = SA_INTERNAL_AUTHENTICATION_ERROR;
				goto error;
			} else if (statusType == ERROR_SERVER_FAILURE) {
				errorType = SA_INTERNAL_SERVER_FAILURE;
				goto error;
			} else if (statusType == IN_PROGRESS) {
				/*busy signaling */
				errorType = SA_INTERNAL_BUSY_SIGNALING;
				goto error;
			}
		} else {
			/*status except status of SyncHdr */
			if (status->type == COMMAND_TYPE_ALERT) {
				errorType = _receive_alert_status(session, status);
			} else if (status->type == COMMAND_TYPE_PUT) {
				errorType = _receive_put_status(session, status);
			} else if (status->type == COMMAND_TYPE_GET) {
				errorType = _receive_get_status(session, status);
			} else if (status->type == COMMAND_TYPE_RESULTS) {
				errorType = _receive_results_status(session, status);
			} else if (status->type == COMMAND_TYPE_SYNC_START) {
				errorType = _receive_sync_status(session, status);
			} else if (status->type == COMMAND_TYPE_MAP) {
				errorType = _receive_map_status(session, status);
			} else if (status->type == COMMAND_TYPE_ADD || status->type == COMMAND_TYPE_REPLACE || status->type == COMMAND_TYPE_DELETE) {
				errorType = _receive_changes_status(session, status, return_status);
			}

			if (errorType != SA_INTERNAL_OK)
				goto error;
		}
		statusItem = g_list_next(statusItem);
	}

 error:

	_EXTERN_FUNC_EXIT;
	return errorType;
}

sa_error_type_e receive_commands(session_s * session, GList * receive_command, bool auto_config, GList ** return_datastore)
{
	_EXTERN_FUNC_ENTER;

	sa_error_type_e errorType = SA_INTERNAL_OK;
	int item_luid_count = 0;
	int index = 0;
	int i;
	char **luid_str_list = NULL;
	changed_datastore_s *changedDatastore = NULL;

	GList *iter = NULL;
	command_s *command = NULL;
	for (iter = receive_command; iter != NULL; iter = g_list_next(iter)) {
		command = iter->data;

		if (command->type == COMMAND_TYPE_ADD)
			item_luid_count += g_list_length(command->private.change.items);
	}

	_DEBUG_INFO("item_luid_count = %d", item_luid_count);

	if (item_luid_count > 0) {
		luid_str_list = sync_agent_generate_item_luid(1, item_luid_count);
		if (luid_str_list == NULL) {
			_DEBUG_ERROR("failed in sync_agent_generate_item_luid");
			errorType = SA_INTERNAL_ERROR;
			goto error;
		}
	}

	for (iter = receive_command; iter != NULL; iter = g_list_next(iter)) {
		command = iter->data;

		if (auto_config != true || (auto_config == true && command->type == COMMAND_TYPE_RESULTS)) {
			_DEBUG_INFO("command->type = %d", command->type);
			switch (command->type) {
			case COMMAND_TYPE_UNKNOWN:
			case COMMAND_TYPE_HEADER:
			case COMMAND_TYPE_MAP:
				/*never receive theses commands */
				break;
			case COMMAND_TYPE_ALERT:
				errorType = _receive_alert_command(session, command, return_datastore);
				break;
			case COMMAND_TYPE_PUT:
				errorType = _receive_put_command(session, command);
				break;
			case COMMAND_TYPE_GET:
				errorType = _receive_get_command(session, command);
				break;
			case COMMAND_TYPE_RESULTS:
				errorType = _receive_results_command(session, command);
				break;
			case COMMAND_TYPE_SYNC_START:
				errorType = _receive_sync_command(session, command, &changedDatastore);
				break;
			case COMMAND_TYPE_SYNC_END:
				{
					if (changedDatastore != NULL) {
						if (changedDatastore->has_number_of_changes || g_list_length(changedDatastore->change_item) > 0) {
							*return_datastore = g_list_append(*return_datastore, changedDatastore);
							changedDatastore = NULL;
						} else {
							if (changedDatastore != NULL) {
								free_changed_datastore(changedDatastore);
								changedDatastore = NULL;
							}
						}
					}
				}
				break;
			case COMMAND_TYPE_ADD:
			case COMMAND_TYPE_REPLACE:
			case COMMAND_TYPE_DELETE:
				{
					if (luid_str_list != NULL) {
						errorType = _receive_changes_command(session, command, luid_str_list, &index, &changedDatastore);
					} else {
						_DEBUG_ERROR("luid_str_list is NULL !!");
						errorType = SA_INTERNAL_ERROR;
						if (changedDatastore != NULL) {
							free_changed_datastore(changedDatastore);
							changedDatastore = NULL;
						}
						goto error;
					}
				}
				break;
			}

			if (errorType != SA_INTERNAL_OK) {
				if (changedDatastore != NULL) {
					free_changed_datastore(changedDatastore);
					changedDatastore = NULL;
				}
				goto error;
			}
		}
	}

 error:

	if (changedDatastore != NULL)
		free_changed_datastore(changedDatastore);

	if (luid_str_list != NULL) {
		/*free luid_str_list */
		for (i = 0; i < item_luid_count; i++)
			free(luid_str_list[i]);

		free(luid_str_list);
	}

	_EXTERN_FUNC_EXIT;
	return errorType;
}

void reset_cmd_id_session(session_s * session)
{
	_EXTERN_FUNC_ENTER;

	if (session != NULL)
		session->cmd_id = 1;

	_EXTERN_FUNC_EXIT;
}